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Please carefully read the notes in red. 1. If the interest rate is 15% and you will receive 1000 yen after 1 years, what is its present value PV? Please round off the decimal point to the nearest whole number (Required) 2. If the interest rate is 25% and you will receive 2000 yen after 5 years, what is its present value PV? Please round off the decimal point to the nearest whole number (Required) 3. Given a series of cash flows (400, 500, 600) (in the order of cash flows now, one year, two years from now). Calculate how much it will be worth (FV) after 2 years at a compound annual interest rate of 10% (one interest payment per year). Please round off the decimal point to the nearest whole number (Required) 4. Given a series of cash flows (1200, 1222, 1450, 1370, 1800) (in the order of cash flows now, one year, two years, three years, and four years from now). Calculate how much it will be worth (FV) after 4 years at a compound annual interest rate of 5% (one interest payment per year). Please round off the decimal point to the nearest whole number (Required)